pope benedict xvi resigned from his post as head of the ran caolic chuh last week. hes the first phone do so in almost 600 years. benedict stated that due to his age and health he could no longer fulfill his duty. as the vatican searches for answer and a successor, a debate over the future of the catholic church has resurfaced. pope benedict xvi's conservative approach was at odds with a church that sought to modernize. the vatican must move or in ward when many believe the religion to be in crisis. here is cbs news correspondent allen pizzey reporting from rome. >> reporter: with his brief announcement in latin, benedict set a modern peres sent that ensures his successor cans take the same path. as one cardinal put it-- he broke a taboo. catholics around the world reacted with surprise, some sadness but overall there was a sense that benedict had done the right thing for himself and the church. >> it's quite an act of humility for the pope to realize he can no longer physically and mentally discharge the duties of his author. >> even as benedict's legacy is being d